5 places to master the ins and outs of coding. You may not be able to google the answer to your latest coding puzzle, but these resources can help you in a pinch:
1. The Centers for Disease Control and Prevention's Web site at provides extensive information about most diseases.
2. Find the Official ICD-9 Coding Guidelines online at pdf_docs/OfficialGuidelines.pdf.
3. For information about Coding Clinic for ICD-9-CM, the American Hospital Association's quarterly journal for coding professionals, go to .
4. Access the ICD-9-CM Coordination and Maintenance Committee minutes at for information about coding changes.
5. The Centers for Medicare & Medicaid Services provides a number of coding resources. Go to and click on "Provider pages" and "home health" for the newest diagnosis code changes and the latest invalid diagnosis codes.
And a free one-hour Web-based training course, "Diagnosis Coding: Using the ICD-9-CM," is available at ; click on "Web Based Training Modules"and scroll down to "Office Management Information."